The extraction behavior of N,N,N’,N’-tetrabutylglutaramide（TBGA）employing cyclohexane as diluent toward La（Ⅲ）,Pr（Ⅲ）,Gd（Ⅲ）and Er（Ⅲ） investigated.The effect of the concentrations of nitric acid,lithium n...The extraction behavior of N,N,N’,N’-tetrabutylglutaramide（TBGA）employing cyclohexane as diluent toward La（Ⅲ）,Pr（Ⅲ）,Gd（Ⅲ）and Er（Ⅲ） investigated.The effect of the concentrations of nitric acid,lithium nitrate and extractant and also the temperature on the extraction distribution ratio was studied.The stoichiometry of the extracted species was Found to be M（NO3）3·3TBGA（M=La,Pr,Gd,Er）.The extraction mechanism was also discussed and the values of the enthalpy of extraction reaction was calculated.展开更多
In this work,the extraction behavior of TBMA employing benzene as a diluents for Yb（Ⅲ）was investigated.The effect of the concentrations of nitric acid,lithium nitrate and extractant and also the temperature on the ...In this work,the extraction behavior of TBMA employing benzene as a diluents for Yb（Ⅲ）was investigated.The effect of the concentrations of nitric acid,lithium nitrate and extractant and also the temperature on the extraction distribution ratio was studied.The complexe of TBMA with Yb（Ⅲ） was characterized by IR.The stoichiometries of extracted species was established to be Yb（NO3）3·3TBMA,and the enthalpy of the extraction was found to be -29.46 kJ·mol-1.展开更多
文摘The extraction behavior of N,N,N’,N’-tetrabutylglutaramide（TBGA）employing cyclohexane as diluent toward La（Ⅲ）,Pr（Ⅲ）,Gd（Ⅲ）and Er（Ⅲ） investigated.The effect of the concentrations of nitric acid,lithium nitrate and extractant and also the temperature on the extraction distribution ratio was studied.The stoichiometry of the extracted species was Found to be M（NO3）3·3TBGA（M=La,Pr,Gd,Er）.The extraction mechanism was also discussed and the values of the enthalpy of extraction reaction was calculated.
文摘In this work,the extraction behavior of TBMA employing benzene as a diluents for Yb（Ⅲ）was investigated.The effect of the concentrations of nitric acid,lithium nitrate and extractant and also the temperature on the extraction distribution ratio was studied.The complexe of TBMA with Yb（Ⅲ） was characterized by IR.The stoichiometries of extracted species was established to be Yb（NO3）3·3TBMA,and the enthalpy of the extraction was found to be -29.46 kJ·mol-1.
